f

src/main/java/com/volmit/iris/engine/platform/BukkitChunkGenerator.java

@@ -123,6 +123,7 @@ public class BukkitChunkGenerator extends ChunkGenerator implements PlatformChun
     @EventHandler
     public void onWorldInit(WorldInitEvent event) {
         try {
+            if(world.name().equals(event.getWorld().getName()) && world.getRawWorldSeed() == event.getWorld().getSeed()) {
                 ServerLevel serverLevel = ((CraftWorld)event.getWorld()).getHandle();
                 Engine engine = getEngine(event.getWorld());
                 Class<?> clazz = serverLevel.getChunkSource().chunkMap.generator.getClass();
@@ -137,6 +138,11 @@ public class BukkitChunkGenerator extends ChunkGenerator implements PlatformChun
                 Iris.info("Injected Iris Biome Source into " + event.getWorld().getName());
             }
 
+            else {
+                Iris.info("World " + event.getWorld().getName() + " is not an Iris world in this context");
+            }
+        }
+
         catch(Throwable e) {
             e.printStackTrace();
         }